· Annelids have a segmented body plan which allows them to burrow through soil. · They are invertebrates · There are about 15,000 known modern species of annelids. · There are three classes o Polychaeta o Hirudinea o Oligochaeta · Annelids are bilaterally symmetrical and vermiform (long and slender) · An annelid is a true ceolomate but may be divided by septa (thin membrane that separates two structures within the organism). · Annelids have a tube-within-a-tube body plan with a separate mouth and anus.
MC Question:
What allows annelids to travel through their environment?
a)They are used to wet environments.
b)Their segmented body plan.
c)They have a tube-within-a-tube body plan.
d)They are invertebrates.
L-Linked
I-in
D-Divided
S-Segments
· Annelids have a segmented body plan which allows them to burrow through soil.
· They are invertebrates
· There are about 15,000 known modern species of annelids.
· There are three classes
o Polychaeta
o Hirudinea
o Oligochaeta
· Annelids are bilaterally symmetrical and vermiform (long and slender)
· An annelid is a true ceolomate but may be divided by septa (thin membrane that separates two structures within the organism).
· Annelids have a tube-within-a-tube body plan with a separate mouth and anus.
MC Question:
What allows annelids to travel through their environment?
a)They are used to wet environments.
b)Their segmented body plan.
c)They have a tube-within-a-tube body plan.
d)They are invertebrates.